Answer:
The last one
Step-by-step explanation:
in the second part, x2 could to pull out as x
Part A:
The HCF is an acronym for Highest Common Factor. An unknown number and 63 have an HCF equal to 9. The factors of 63 are 9 and 7. There are lots of numbers to which the HCF with 63 is 9. These should be divisible by 9 but not by 7. That being said, the answers could be 9, 18, 27, etc.
Part B:
LCM is the acronym for least common multiple. Given that the LCM of a number and 48 is 144, the other number could be determined by dividing 144 by 48. If we let x be the number,
x = 144/48
x = 3
#9 is correct.
For #10, PQ and PR are called: Legs
QR is called: the base
Answer:
5/12 goes to wife I don't really know how to explain it
Answer:
S=-3
Step-by-step explanation: